Is Appium free?
Yes, Appium is open source and completely free. No paid version. Use with free device farms for local testing, or commercial services like BrowserStack and Sauce Labs.
What is Appium?
Appium is an open-source mobile app testing framework. Automate iOS and Android apps using WebDriver protocol. Write tests in any language with WebDriver bindings.
What can you test with Appium?
Native mobile apps, hybrid apps, and mobile web browsers. Works on real devices and emulators/simulators. Cross-platform testing with the same API.
Appium vs XCUITest/Espresso?
Appium is cross-platform but slower. XCUITest (iOS) and Espresso (Android) are faster but platform-specific. Appium for cross-platform; native frameworks for speed.
What languages does Appium support?
Any language with WebDriver client: Java, Python, JavaScript, Ruby, C#, PHP. Most teams use Java or JavaScript for Appium tests.